function setCookie(cookieName,cookieVal) {
    if (document.cookie != document.cookie){
        index = document.cookie.indexOf(cookie_name);
    } else {
        index = -1;
    }
    if (index == -1){
        document.cookie=cookieName+"="+cookieVal+"; expires=Monday, 04-Apr-2010 05:00:00 GMT";
    }
}

function readCookie(name,delimit){
    var fC,lC;
    var mcookie = unescape(document.cookie);
    fC = mcookie.indexOf(name);
    var ph = fC + name.length;
    if ((fC != -1) && (mcookie.charAt(ph) == '=')){
      fC += name.length + 1;
      lC = mcookie.indexOf(delimit,fC);
      if (lC == -1) lC = mcookie.length;
      return unescape(mcookie.substring(fC,lC));
    }
}